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RX - 2nd Gen (2004-2009) Discussion topics related to the 2004 -2009 RX330, RX350 and RX400H models

Engine Ticking?

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Old Jan 28, 2009 | 10:59 AM
  #1  
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Default Engine Ticking?

Not sure if this is a common problem.

Last summer I test drove two 04 RXs from a dealership. Both had about 80,000KM or 50,000 miles. From the outside I couldn't hear anything but while driving, I could hear a ticking sound. I'm not a mechanic but maybe the lifters or something.

So I ended up purchasing a 04 out of WI with 36,000 miles. What I liked was the fact that it didn't have the ticking noise. Well, now at 40,000 miles, there is a ticking noise from the engine.

I changed the oil and used synthetic thinking it would help.

Is this ticking common?
Should I put something in the gas to help?
Should I bring it into the shop?

No other issues except the ticking.

TIA for any advice or suggestions.
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Old Jan 28, 2009 | 11:19 AM
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From: HI
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does it increase or decrease with the speed of the engine?
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Old Jan 28, 2009 | 01:23 PM
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The ticking changes with engine speed.

Thanks
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Old Jan 28, 2009 | 03:49 PM
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I've been told that it's the injectors and not to be concerned. If it's an 04' then it's probably out of warranty. If it's not, I think there's a TRO to fix it. I was also told that they run better if you don't fix it.
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Old Jan 29, 2009 | 07:01 AM
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Thanks - your right about the warranty. Car drives fine so I think it's just stay that way until I feel there is an issue.

Maybe try better gas or some additives.
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Old Jan 29, 2009 | 10:39 AM
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Originally Posted by G2SSM
Maybe try better gas or some additives.
I don't believe that gas or additives will make a difference.

It's just embarrassing to know that everyone else in the car hears it too. Most don't say anything, but think of it as a dependability issue.
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